21% of inhaled air is oxygen. Identify how much oxygen there is in exhaled air.
Question
21% of inhaled air is oxygen. Identify how much oxygen there is in exhaled air.
Solution 1
The question doesn't provide specific data on the amount of oxygen in exhaled air. However, according to medical resources, humans only use about 5% of the inhaled oxygen. Therefore, approximately 16% (21% - 5%) of exhaled air is still oxygen. This can vary based on a number of factors including the individual's health, activity level, and the altitude.
Solution 2
The amount of oxygen in exhaled air is typically about 16%. This is because the body absorbs some of the oxygen from the inhaled air into the bloodstream, which is then used for vital cellular processes. The rest is exhaled back out.
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